Qt support on Apple platforms
With the release of Qt 6.8.1 and 6.5.8, we are updating our documentation to clarify Qt’s support for newly released Apple operating system versions.
Support of Qt 5.9 LTS Ends in May 2020
Support of Qt 5.9 LTS ends in May 2020. If you are still with Qt 5.9 LTS, update to the soon released Qt 5.15 LTS or Qt 5.12 LTS is recommended.